Mr. Grey
Mr. Red
Ms. Black
Dr. Green
Dr. Blue
Dr. Brown
Lisa
Clarence
Mr. White
Ms. Gold
Alice
Matt
One
Kaplan
J.D.
Rain
Medic
Commando 1
Commando 2
Spence
Red Queen
Zombie (uncredited)
Mail Boy (uncredited)
Dr. William Birkin / Narrator (uncredited)
Nurse Adina Scott (uncredited)
Commando 3 (uncredited)
Police Officer (uncredited)